We are planning to travel by cruise ship during the summer vacation.

The development of nuclear-powered ships must consider their impact on the environment.

The sudden bonus was indeed a godsend.

He was fishing outside of the boat.

The police have started searching for the suspicious ship.

We toured the lake by tour boat.

He likes to take a walk in the park at dusk.

He is undergoing training for extravehicular activity.

He engaged in an extravehicular activity from the spaceship.

We crossed the sea by catamaran.